Southern California is expecting cooler temperatures and a slight chance of light showers from late Friday night into Saturday evening, with a gradual warming trend following into the next week.

Denver's weather forecast predicts a mix of sun and storms with potential hail and strong winds, and temperatures ranging from 39°F to 68°F. The National Weather Service advises caution and readiness for severe weather.

Seattle expects clear skies and comfortable temperatures with highs around 65-71 degrees and light breezes in the coming days, with a small chance of showers by Friday.

Honolulu anticipates humid conditions, heavy showers, and potential thunderstorms due to a low-pressure system, with Kauai at risk for flash flooding.

Salt Lake City faces a cooling trend with chances of showers later in the week, temperatures reaching up to 73°F today with a 20% chance of rain, and unsettled weather patterns ahead.

The NWS in Las Vegas predicts cooler temperatures and breezy conditions for the region, with strong wind gusts expected in the short term and a deep trough bringing significantly cooler weather over the weekend.

The article discusses the weekly weather forecast for Detroit, with varying conditions including chances of rain and thunderstorms, and clear sunny days with temperature fluctuations.

Dallas is on alert due to a flash flood warning from the National Weather Service, with heavy rains potentially causing significant flooding in the area.

Minneapolis weather forecast includes sunny days, potential thunderstorms, and varying temperatures with chances of showers increasing towards the weekend and early next week.

The National Weather Service forecasts mixed weather for San Antonio with chances of showers, thunderstorms, and high temperatures reaching the mid-80s to low 90s over several days.

Detroit metro ranks sixth in the US for year-round air pollution, challenges include ozone and particle pollution levels, and giant sequoias are being planted to improve air quality.

Phoenix residents can expect a stretch of clear, sunny days with highs mostly in the 80s and mild evenings ahead. According to the National Weather Service, the week promises calm winds and stable weather.

The American Lung Association's "State of the Air" 2025 report ranks Pittsburgh poorly for air quality, highlighting health risks particularly for vulnerable groups.